CA3137602C - Dry grinding system and method for reduced tailings dewatering, improving flotation efficiency, producing drier tailings, and preventing filter media blinding - Google Patents

Dry grinding system and method for reduced tailings dewatering, improving flotation efficiency, producing drier tailings, and preventing filter media blinding Download PDF

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Publication number
CA3137602C
CA3137602C CA3137602A CA3137602A CA3137602C CA 3137602 C CA3137602 C CA 3137602C CA 3137602 A CA3137602 A CA 3137602A CA 3137602 A CA3137602 A CA 3137602A CA 3137602 C CA3137602 C CA 3137602C
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CA
Canada
Prior art keywords
dry
separator
tailings
circuit
stream
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA3137602A
Other languages
English (en)
French (fr)
Other versions
CA3137602A1 (en
Inventor
Todd Wisdom
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FLSmidth AS
Original Assignee
FLSmidth AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FLSmidth AS filed Critical FLSmidth AS
Publication of CA3137602A1 publication Critical patent/CA3137602A1/en
Application granted granted Critical
Publication of CA3137602C publication Critical patent/CA3137602C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00General arrangement of separating plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/02Froth-flotation processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/20Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/02Froth-flotation processes
    • B03D1/025Froth-flotation processes adapted for the flotation of fines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/08Subsequent treatment of concentrated product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03BSEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B7/00Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00Specified materials treated by the flotation agents; specified applications
    • B03D2203/02Ores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D2203/00Specified materials treated by the flotation agents; specified applications
    • B03D2203/02Ores
    • B03D2203/04Non-sulfide ores
    • B03D2203/06Phosphate ores
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Crushing And Grinding (AREA)
  • Drying Of Solid Materials (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
CA3137602A 2019-04-15 2020-04-15 Dry grinding system and method for reduced tailings dewatering, improving flotation efficiency, producing drier tailings, and preventing filter media blinding Active CA3137602C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962834014P 2019-04-15 2019-04-15
US62/834,014 2019-04-15
PCT/IB2020/053567 WO2020212876A1 (en) 2019-04-15 2020-04-15 Dry grinding system and method for reduced tailings dewatering, improving flotation efficiency, producing drier tailings, and preventing filter media blinding

Publications (2)

Publication Number Publication Date
CA3137602A1 CA3137602A1 (en) 2020-10-22
CA3137602C true CA3137602C (en) 2022-10-04

Family

ID=70465148

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3137602A Active CA3137602C (en) 2019-04-15 2020-04-15 Dry grinding system and method for reduced tailings dewatering, improving flotation efficiency, producing drier tailings, and preventing filter media blinding

Country Status (12)

Country Link
US (1) US20220143624A1 (de)
EP (1) EP3956065B1 (de)
AU (1) AU2020257610B2 (de)
BR (1) BR112021020787A2 (de)
CA (1) CA3137602C (de)
CL (1) CL2021002692A1 (de)
EA (1) EA202192790A1 (de)
ES (1) ES2927731T3 (de)
MA (1) MA54662B1 (de)
PE (1) PE20220041A1 (de)
WO (1) WO2020212876A1 (de)
ZA (1) ZA202107812B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112588432A (zh) * 2020-12-08 2021-04-02 鞍钢集团矿业有限公司 一种易泥化铁矿石的超细碎磨矿分级方法
CN113333150B (zh) * 2021-05-13 2022-05-31 西北矿冶研究院 一种选铁尾矿矿浆间歇式磨矿降耗工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121819B (en) * 1982-06-14 1985-03-27 Smidth & Co As F L Method of manufacturing a pumpable coal/liquid mixture
US4915706A (en) * 1985-05-10 1990-04-10 Daley Ralph D Coal-water fuel production
DE4400796A1 (de) * 1994-01-13 1995-07-20 Krupp Polysius Ag Verfahren zur Gewinnung von Edelmetallen
US7370820B2 (en) * 2005-01-31 2008-05-13 M-I L.L.C. Method and system for harvesting weighting agent fines
BR112015009205B1 (pt) * 2012-10-26 2019-09-24 Vale S/A Processo de concentração de minério de ferro com circuito de moagemseco, deslamagem seca e concentração seca
BR102015003408B8 (pt) * 2015-02-13 2022-12-13 New Steel Solucoes Sustentaveis S A Sistema para recuperação a seco de finos de óxido de ferro a partir de rochas compactas e semicompactas portadoras de ferro
CN206139326U (zh) * 2016-07-06 2017-05-03 陕西冶金设计研究院有限公司 一种超低品位钒钛磁铁矿综合利用系统

Also Published As

Publication number Publication date
WO2020212876A1 (en) 2020-10-22
MA54662A1 (fr) 2021-12-31
EP3956065A1 (de) 2022-02-23
CA3137602A1 (en) 2020-10-22
ZA202107812B (en) 2023-05-31
US20220143624A1 (en) 2022-05-12
BR112021020787A2 (pt) 2021-12-14
CL2021002692A1 (es) 2022-08-19
AU2020257610B2 (en) 2021-12-16
EA202192790A1 (ru) 2022-01-27
PE20220041A1 (es) 2022-01-13
MA54662B1 (fr) 2022-11-30
AU2020257610A1 (en) 2021-12-09
EP3956065B1 (de) 2022-08-31
ES2927731T3 (es) 2022-11-10

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